/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.cassandra.test.microbench;

import java.util.concurrent.TimeUnit;

import org.apache.cassandra.service.snapshot.SnapshotManager;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.annotations.Threads;
import org.openjdk.jmh.annotations.Warmup;

@OutputTimeUnit(TimeUnit.MILLISECONDS)
@Fork(value = 1)
@State(Scope.Benchmark)
public class SnapshotTrueSizeBench extends AbstractSnapshotManagerBase
{

    @Setup(Level.Trial)
    public void setup()
    {
        setup(true);
    }

    @TearDown(Level.Trial)
    public void teardown()
    {
        super.teardown();
    }

    @Benchmark
    @BenchmarkMode({Mode.Throughput, Mode.AverageTime, Mode.SampleTime})
    @Warmup(iterations = 0)
    @Threads(16)
    @Measurement(iterations = 1, time = 60)
    public void getTrueSizeOfSnapshots()
    {
        SnapshotManager.instance.getTrueSnapshotSize();
    }
}
